Learn to manage your stress. We use cookies to make wikiHow great. You also might want to look into using a thinner condom, which might be impeding your ejaculation during intercourse. Men produce millions of sperm every day of their life, from puberty until death. How Length, Width, and Girth Measure Up Across Brands Condom sizes can vary across manufacturers, so what's "regular" to one brand may be "large" to another. How can I in a couple of days? At some point, you may have wondered: